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Randy Knudson
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63 followers
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OT- LUNA Upcoming Webinar: Optical Backscatter Reflectometry: The Key to Accelerating Design Verification and Troubleshooting of Next Generation Optical Network Components
This webinar will review how optical backscatter reflectometry technology works and how it differs from alternative reflectometry techniques, with real-world application examples. These examples include characterizing the optical performance and quality of ...
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Abstract-Terahertz Image Detection with the Improved Faster Region-Based Convolutional Neural Network
Jinsong Zhang , Wenjie Xing , Mengdao Xing, Guangcai Sun http://www.mdpi.com/1424-8220/18/7/2327 In recent years, terahertz imaging systems and techniques have been developed and have gradually become a leading frontier field. With the advantages of low rad...
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spectroscopyNOW- Space nitrogen: Terahertz spectroscopy
Author:  David Bradley http://www.spectroscopynow.com/details/ezine/1643c9aba9e/Space-nitrogen-Terahertz-spectroscopy.html?&tzcheck=1&tzcheck=1 Triatomic Researchers in Austria have observed rotational transitions of the nonlinear triatomic molecular anion ...
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OT- LUNA Blog-Enhancing Weapons Readiness: Fatigue Cracking Analysis for Gun Barrels
http://lunainc.com/enhancing-weapons-readiness-fatigue-cracking-analysis-gun-barrels/ Every time a gun is fired, enormous gas pressures are generated inside the barrel to propel a projectile toward its intended target. For perspective, typical pressures can...
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The perfect terahertz beam - thanks to the 3D printer
Jan Gospodaric and Andrei Pimenov  https://www.myscience.org/news/2018/the_perfect_terahertz_beam_thanks_to_the_3d_printer-2018-tuwien TU Wien has succeeded in shaping terahertz beams with extremely high precision. All that is needed for this is a simple pl...
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Okayama University Research: Measuring ion Concentration in Solutions for Clinical and Environmental Research
Schematic of the sensing plate when it is illuminated by the femtosecond laser. Inset is the microphotograph of the microsolution wells. (PRNewsfoto/Okayama University) Okayama University researchers describe in the journal  Optics Express  the use of Terah...
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Semi-OT-Extremely High Frequency Electromagnetic Fields Facilitate Electrical Signal Propagation by Increasing Transmembrane Potassium Efflux in an Artificial Axon Model
Simona D’Agostino, Chiara Della Monica, Eleonora Palizzi, Fabio Di Pietrantonio, Massimiliano Benetti, Domenico Cannatà, Marta Cavagnaro, Dariush Sardari, Pasquale Stano, Alfonsina Ramundo-Orlando, https://www.nature.com/articles/s41598-018-27630-8 Among th...
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TeraMetrix-High-speed waveform acquisition is key to terahertz imaging
http://lunainc.com/high-speed-waveform-acquisition-key-terahertz-imaging/ Pulsed terahertz imaging can provide a wide array of information about a sample. Whether it is the thickness of particular layers, the presence of an internal void, detection of a spe...
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Abstract-Three-Dimensional Terahertz Coded-Aperture Imaging in Space Domain
https://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=8386755 As a promising radar imaging technique, terahertz coded-aperture imaging (TCAI) can
achieve high-resolution, forward-looking and staring imaging by producing spatiotemporal independent
signals wit...
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New algorithm can discover materials with unusual characteristics—including invisibility
“With this algorithm, we can design new metamaterial properties on demand,” said Liu, an assistant professor of mechanical and industrial engineering. Credit: Adam Glanzman/Northeastern University https://phys.org/news/2018-06-algorithm-materials-unusual-ch...
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